EP2845647A3 - Wabenkatalysator und Abgasreinigungsvorrichtung - Google Patents

Wabenkatalysator und Abgasreinigungsvorrichtung Download PDF

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Publication number
EP2845647A3
EP2845647A3 EP20140181752 EP14181752A EP2845647A3 EP 2845647 A3 EP2845647 A3 EP 2845647A3 EP 20140181752 EP20140181752 EP 20140181752 EP 14181752 A EP14181752 A EP 14181752A EP 2845647 A3 EP2845647 A3 EP 2845647A3
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EP
European Patent Office
Prior art keywords
zeolite
inorganic particles
exhaust gas
honeycomb catalyst
gas purifying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20140181752
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English (en)
French (fr)
Other versions
EP2845647A2 (de
Inventor
Masaya Sato
Takehiro Umemoto
Naoki Onaya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ibiden Co Ltd
Original Assignee
Ibiden Co Ltd
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Filing date
Publication date
Application filed by Ibiden Co Ltd filed Critical Ibiden Co Ltd
Publication of EP2845647A2 publication Critical patent/EP2845647A2/de
Publication of EP2845647A3 publication Critical patent/EP2845647A3/de
Withdrawn legal-status Critical Current

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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7015—CHA-type, e.g. Chabazite, LZ-218
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
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    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/606—Drying
    • C—CHEMISTRY; METALLURGY
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    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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JP2017007912A (ja) * 2015-06-25 2017-01-12 イビデン株式会社 ゼオライト、該ゼオライトの製造方法、該ゼオライトを使用したハニカム触媒及び排ガス浄化装置
JP2017007913A (ja) * 2015-06-25 2017-01-12 イビデン株式会社 ゼオライト、該ゼオライトの製造方法、該ゼオライトを使用したハニカム触媒及び排ガス浄化装置
DE112018001853T5 (de) * 2017-04-04 2019-12-12 Dustin Fickel Zeolithkatalysator in Nanogrösse mit einem hohen Verhältnis von Siliziumoxid zu Aluminiumoxid
JP6764451B2 (ja) * 2018-09-12 2020-09-30 イビデン株式会社 ハニカム構造体の製造方法
JP6771005B2 (ja) * 2018-09-12 2020-10-21 イビデン株式会社 ハニカム構造体の製造方法

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JP5537350B2 (ja) * 2009-11-05 2014-07-02 日本碍子株式会社 ゼオライト構造体及びその製造方法
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US5565394A (en) * 1994-10-11 1996-10-15 Corning Incorporated Low expansion molecular sieves and method of making same
EP1852174A1 (de) * 2006-05-02 2007-11-07 Argillon GmbH Extrudierter Vollkatalysator sowie Verfahren zu seiner Herstellung
US20090285737A1 (en) * 2007-02-27 2009-11-19 Basf Catalysts Llc Copper CHA Zeolite Catalysts
US20100092362A1 (en) * 2007-03-26 2010-04-15 Pq Corporation High silica chabazite for selective catalytic reduction, methods of making and using same
US20120301381A1 (en) * 2007-04-26 2012-11-29 Johnson Matthey Public Limited Company Transition metal/zeolite scr catalysts

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